Handles AX role for time element(re-land).

Source/modules/accessibility/AXObject.h

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 84 matching lines @@
     GridRole,
     GroupRole,
     HeadingRole,
     IframePresentationalRole, // No mapping to ARIA role
     IframeRole, // No mapping to ARIA role
     IgnoredRole, // No mapping to ARIA role
     ImageMapLinkRole, // No mapping to ARIA role
     ImageMapRole, // No mapping to ARIA role
     ImageRole,
     InlineTextBoxRole, // No mapping to ARIA role
+    InputTimeRole, // No mapping to ARIA role
     LabelRole,
     LegendRole, // No mapping to ARIA role
     LinkRole,
     ListBoxOptionRole,
     ListBoxRole,
     ListItemRole,
     ListMarkerRole, // No mapping to ARIA role
     ListRole,
     LogRole,
     MainRole,
@@ skipping 657 matching lines @@
     static bool includesARIAWidgetRole(const String&);
     static bool hasInteractiveARIAAttribute(const Element&);
 };
 
 #define DEFINE_AX_OBJECT_TYPE_CASTS(thisType, predicate) \
     DEFINE_TYPE_CASTS(thisType, AXObject, object, object->predicate, object.predicate)
 
 } // namespace blink
 
 #endif // AXObject_h